40784709009 has 8 divisors (see below), whose sum is σ = 59323213152. Its totient is φ = 24718005440.

The previous prime is 40784708977. The next prime is 40784709013. The reversal of 40784709009 is 90090748704.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40784709009 - 2⁵ = 40784708977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40784709059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 617950104 + ... + 617950169.

It is an arithmetic number, because the mean of its divisors is an integer number (7415401644).

Almost surely, 2^40784709009 is an apocalyptic number.

It is an amenable number.

40784709009 is a deficient number, since it is larger than the sum of its proper divisors (18538504143).

40784709009 is a wasteful number, since it uses less digits than its factorization.

40784709009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1235900287.

The product of its (nonzero) digits is 508032, while the sum is 48.

The spelling of 40784709009 in words is "forty billion, seven hundred eighty-four million, seven hundred nine thousand, nine".